Carrier Ecologic Series 3 Controls, Start-Up, Operation, Service, And Troubleshooting page 47

Air-cooled and fluid cooled chillers. 50/60 hz
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ALARM/ALERT
ALARM OR
CODE
ALERT
7
Alert
8
Alert
9
Alarm
10
Alarm
11
Alert
12
Alert
15
Alert
16
Alert
17
Alert
18
Alert
21
Alert
22
Alert
23
Alert
24
Alert
25
Alert
26
Alert
27
Alert
28
Alert
29
Alert
30
Alert
Table 36 — Alarm and Alert Codes (cont)
WHY WAS THIS
DESCRIPTION
ALARM GENERATED?
Cir. A Discharge Gas
Thermistor outside
Thermistor Failure
range of –40 to 245 F
(–40 to 118 C) or DGT
> 210 F (98.9 C)
Cir. B Discharge Gas
Thermistor outside
Thermistor Failure
range of –40 to 245 F
(–40 to 118 C) or DGT
> 210 F (98.9 C)
Cooler Leaving Fluid
Thermistor outside
Thermistor Failure
range of –40 to 245 F
(–40 to 118 C)
Cooler Entering Fluid
Thermistor outside
Thermistor Failure
range of –40 to 245 F
(–40 to 118 C)
Condenser Leaving
Thermistor outside
Fluid Thermistor Failure
range of –40 to 245 F
(–40 to 118 C)
Condenser Entering
Thermistor outside
Fluid Thermistor Failure
range of –40 to 245 F
(–40 to 118 C)
Compressor A1 High
Thermistor outside
Motor Temperature
range of –39.9 to 245 F
(–39.9 to 118 C) for 5
consecutive readings
Compressor A2 High
Thermistor outside
Motor Temperature
range of –39.9 to 245 F
(–39.9 to 118 C) for 5
consecutive readings
Compressor B1 High
Thermistor outside
Motor Temperature
range of –39.9 to 245 F
(–39.9 to 118 C) for 5
consecutive readings
Compressor B2 High
Thermistor outside
Motor Temperature
range of –39.9 to 245 F
(–39.9 to 118 C) for 5
consecutive readings
External Reset Temper-
Thermistor outside
ature Thermistor Failure
range of –40 to 245 F
(–40 to 118 C)
Circuit A Discharge
Calibration offset more
Pressure Transducer
than 6 PSIG (41 kPa) or
Failure
Voltage ratio (volts read/
ref. voltage) more than
99.9% or less than 0.5%
Circuit B Discharge
Calibration offset more
Pressure Transducer
than 6 PSIG (41 kPa) or
Failure
Voltage ratio (volts read/
ref. voltage) more than
99.9% or less than 0.5%
Circuit A Suction
Calibration offset more
Pressure Transducer
than 6 PSIG (41 kPa) or
Failure
Voltage ratio (volts read/
ref. voltage) more than
99.9% or less than 0.5%
Circuit B Suction
Calibration offset more
Pressure Transducer
than 6 PSIG (41 kPa) or
Failure
Voltage ratio (volts read/
ref. voltage) more than
99.9% or less than 0.5%
Comp A1 Oil Pressure
Calibration offset more
Transducer Failure
than 6 PSIG (41 kPa) or
Voltage ratio (volts read/
ref. voltage) more than
99.9% or less than 0.5%
Comp A2 Oil Pressure
Calibration offset more
Transducer Failure
than 6 PSIG (41 kPa) or
Voltage ratio (volts read/
ref. voltage) more than
99.9% or less than 0.5%
Comp B1 Oil Pressure
Calibration offset more
Transducer Failure
than 6 PSIG (41 kPa) or
Voltage ratio (volts read/
ref. voltage) more than
99.9% or less than 0.5%
Comp B2 Oil Pressure
Calibration offset more
Transducer Failure
than 6 PSIG (41 kPa) or
Voltage ratio (volts read/
ref. voltage) more than
99.9% or less than 0.5%
Circuit A Economizer
Calibration offset more
Transducer Failure
than 6 PSIG (41 kPa) or
Voltage ratio (volts read/
ref. voltage) more than
99.9% or less than 0.5%
ACTION TAKEN
BY CONTROL
Circuit A shut down
Circuit B shut down
Chiller shut down
Uses 0.1° F/% Total
Capacity as rise/ton
None. Chiller continues
to run.
None. Chiller continues
to run.
Compressor A1 shut
down
Compressor A2 shut
down
Compressor B1 shut
down
Compressor B2 shut
down
Reset disabled. Runs
under normal control/set
points.
Circuit A shut down
Circuit B shut down
Circuit A shut down
Circuit B shut down
Comp A1 shut down
Comp A2 shut down
Comp B1 shut down
Comp B2 shut down
Circuit A shut down
47
PROBABLE
RESET METHOD
CAUSE
Manual
Thermistor failure, motor
cooling solenoid failure
or wiring error.
Manual
Thermistor failure, motor
cooling solenoid failure
or wiring error.
Automatic
Thermistor failure, dam-
aged cable/wire or wir-
ing error.
Automatic
Thermistor failure, dam-
aged cable/wire or wir-
ing error.
Automatic
Thermistor failure, dam-
aged cable/wire or wir-
ing error.
Automatic
Thermistor failure, dam-
aged cable/wire or wir-
ing error.
Manual
Thermistor failure, motor
cooling (all), or Econo-
mizer (2 comp. circuits)
solenoid failure.
Manual
Thermistor failure, motor
cooling (all), or Econo-
mizer (2 comp. circuits)
solenoid failure.
Manual
Thermistor failure, motor
cooling (all), or Econo-
mizer (2 comp. circuits)
solenoid failure.
Manual
Thermistor failure, motor
cooling (all), or Econo-
mizer (2 comp. circuits)
solenoid failure.
Automatic
Thermistor failure or wir-
ing error.
Automatic
Transducer failure,
power supply failure, or
wiring damage/error.
Automatic
Transducer failure,
power supply failure, or
wiring damage/error.
Automatic
Transducer failure,
power supply failure, or
wiring damage/error.
Automatic
Transducer failure,
power supply failure, or
wiring damage/error.
Automatic
Transducer failure,
power supply failure, or
wiring damage/error.
Automatic
Transducer failure,
power supply failure, or
wiring damage/error.
Automatic
Transducer failure,
power supply failure, or
wiring damage/error.
Automatic
Transducer failure,
power supply failure, or
wiring damage/error.
Automatic
Transducer failure,
power supply failure, or
wiring damage/error.

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